Access Restriction Bypass Affecting gnutls package, versions [,3.1.20)[3.2.0,3.2.11)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.79% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-GNUTLS-2374605
  • published26 Jan 2022
  • disclosed7 Mar 2014
  • creditUnknown

Introduced: 7 Mar 2014

CVE-2014-1959  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade gnutls to version 3.1.20, 3.2.11 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass lib/x509/verify.c in GnuTLS before 3.1.21 and 3.2.x before 3.2.11 treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended restrictions by leveraging a X.509 V1 certificate from a trusted CA to issue new certificates.

References

CVSS Base Scores

version 3.1